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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int k,i;
  5. scanf("%d",&i);
  6. k=++i;
  7. printf("%d%d\n",k,i);
  8.  
  9. return 0;
  10. }
  11.  
Success #stdin #stdout 0.01s 5312KB
stdin
30
stdout
3131